books.google.com - Kat needs to find a scientist rumored to have created an antidote to a deadly virus, but he's hiding out in the violent underground city of Inferno. Her one-time lover Hades will take Kat where she needs to go, but only if she promises to be his, body and soul......https://books.google.com/books/about/Inferno.html?id=ZQCZw5cfiDwC&utm_source=gb-gplus-shareInferno

Inferno

Kat needs to find a scientist rumored to have created an antidote to a deadly virus, but he's hiding out in the violent underground city of Inferno. Her one-time lover Hades will take Kat where she needs to go, but only if she promises to be his, body and soul...